视频和音频使用ffmpeg进行合并

FFmpeg 64-bit static Windows build from www.gyan.dev Version: 6.1.1-essentials_build-www.gyan.dev License: GPL v3 Source Code: https://github.com/FFmpeg/FFmpeg/commit/e38092ef93 release-essentials build configuration: ARCH x86 (generic) big-endian no runtime cpu detection yes standalone assembly yes x86 assembler nasm MMX enabled yes MMXEXT enabled yes 3DNow! enabled yes 3DNow! extended enabled yes SSE enabled yes SSSE3 enabled yes AESNI enabled yes AVX enabled yes AVX2 enabled yes AVX-512 enabled yes AVX-512ICL enabled yes XOP enabled yes FMA3 enabled yes FMA4 enabled yes i686 features enabled yes CMOV is fast yes EBX available yes EBP available yes debug symbols yes strip symbols yes optimize for size no optimizations yes static yes shared no postprocessing support yes network support yes threading support pthreads safe bitstream reader yes texi2html enabled no perl enabled yes pod2man enabled yes makeinfo enabled yes makeinfo supports HTML yes xmllint enabled yes External libraries: avisynth libopencore_amrnb libvpx bzlib libopencore_amrwb libwebp gmp libopenjpeg libx264 gnutls libopenmpt libx265 iconv libopus libxml2 libaom librubberband libxvid libass libspeex libzimg libfontconfig libsrt libzmq libfreetype libssh lzma libfribidi libtheora mediafoundation libgme libvidstab sdl2 libgsm libvmaf zlib libharfbuzz libvo_amrwbenc libmp3lame libvorbis External libraries providing hardware acceleration: amf d3d11va libvpl cuda dxva2 nvdec cuda_llvm ffnvcodec nvenc cuvid libmfx Libraries: avcodec avformat swresample avdevice avutil swscale avfilter postproc Programs: ffmpeg ffplay ffprobe Enabled decoders: aac fmvc pdv aac_fixed fourxm pfm aac_latm fraps pgm aasc frwu pgmyuv ac3 ftr pgssub ac3_fixed g2m pgx acelp_kelvin g723_1 phm adpcm_4xm g729 photocd adpcm_adx gdv pictor adpcm_afc gem pixlet adpcm_agm gif pjs adpcm_aica gremlin_dpcm png adpcm_argo gsm ppm adpcm_ct gsm_ms prores adpcm_dtk h261 prosumer adpcm_ea h263 psd adpcm_ea_maxis_xa h263i ptx adpcm_ea_r1 h263p qcelp adpcm_ea_r2 h264 qdm2 adpcm_ea_r3 h264_cuvid qdmc adpcm_ea_xas h264_qsv qdraw adpcm_g722 hap qoi adpcm_g726 hca qpeg adpcm_g726le hcom qtrle adpcm_ima_acorn hdr r10k adpcm_ima_alp hevc r210 adpcm_ima_amv hevc_cuvid ra_144 adpcm_ima_apc hevc_qsv ra_288 adpcm_ima_apm hnm4_video ralf adpcm_ima_cunning hq_hqa rasc adpcm_ima_dat4 hqx rawvideo adpcm_ima_dk3 huffyuv realtext adpcm_ima_dk4 hymt rka adpcm_ima_ea_eacs iac rl2 adpcm_ima_ea_sead idcin roq adpcm_ima_iss idf roq_dpcm adpcm_ima_moflex iff_ilbm rpza adpcm_ima_mtf ilbc rscc adpcm_ima_oki imc rtv1 adpcm_ima_qt imm4 rv10 adpcm_ima_rad imm5 rv20 adpcm_ima_smjpeg indeo2 rv30 adpcm_ima_ssi indeo3 rv40 adpcm_ima_wav indeo4 s302m adpcm_ima_ws indeo5 sami adpcm_ms interplay_acm sanm adpcm_mtaf interplay_dpcm sbc adpcm_psx interplay_video scpr adpcm_sbpro_2 ipu screenpresso adpcm_sbpro_3 jacosub sdx2_dpcm adpcm_sbpro_4 jpeg2000 sga adpcm_swf jpegls sgi adpcm_thp jv sgirle adpcm_thp_le kgv1 sheervideo adpcm_vima kmvc shorten adpcm_xa lagarith simbiosis_imx adpcm_xmd libaom_av1 sipr adpcm_yamaha libgsm siren adpcm_zork libgsm_ms smackaud agm libopencore_amrnb smacker aic libopencore_amrwb smc alac libopus smvjpeg alias_pix libspeex snow als libvorbis sol_dpcm amrnb libvpx_vp8 sonic amrwb libvpx_vp9 sp5x amv loco speedhq anm lscr speex ansi m101 srgc anull mace3 srt apac mace6 ssa ape magicyuv stl apng mdec subrip aptx media100 subviewer aptx_hd metasound subviewer1 arbc microdvd sunrast argo mimic svq1 ass misc4 svq3 asv1 mjpeg tak asv2 mjpeg_cuvid targa atrac1 mjpeg_qsv targa_y216 atrac3 mjpegb tdsc atrac3al mlp text atrac3p mmvideo theora atrac3pal mobiclip thp atrac9 motionpixels tiertexseqvideo aura movtext tiff aura2 mp1 tmv av1 mp1float truehd av1_cuvid mp2 truemotion1 av1_qsv mp2float truemotion2 avrn mp3 truemotion2rt avrp mp3adu truespeech avs mp3adufloat tscc avui mp3float tscc2 ayuv mp3on4 tta bethsoftvid mp3on4float twinvq bfi mpc7 txd bink